真话说一半常是弥天大谎。——富兰克林
引入依赖
<!-- html转图片 -->
<dependency>
<groupId>com.github.xuwei-k</groupId>
<artifactId>html2image</artifactId>
<version>0.1.0</version>
</dependency>
我这里稍微封装了一下
package com.ruben.utils;
import gui.ava.html.image.generator.HtmlImageGenerator;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Arrays;
/**
* @ClassName: HtmlUtils
* @Description: 我还没有写描述
* @Date: 2020/12/29 0029 20:21
* *
* @author: <achao1441470436@gmail.com>
* @version: 1.0
* @since: JDK 1.8
*/
public class HtmlUtils {
/**
* @MethodName: htmlSaveAsImage
* @Description: html字符串转图片,保存到本地<多用于富文本场景>
* @Date: 2020/12/29 0029 20:25
* *
* @author: <achao1441470436@gmail.com>
* @param: [html, targetPath]
* @returnValue: void
*/
public static void htmlSaveAsImage(String html, String targetPath) {
// 读取html
HtmlImageGenerator imageGenerator = new HtmlImageGenerator();
// 加载html模版
imageGenerator.loadHtml(html);
// 写入本地
imageGenerator.saveAsImage(targetPath);
}
/**
* @MethodName: htmlToImageByte
* @Description: html 转换成byte数组
* @Date: 2020/12/29 0029 21:16
* *
* @author: <achao1441470436@gmail.com>
* @param: [html]
* @returnValue: byte[]
*/
public static byte[] htmlToImageByte(String html) {
// 读取html
HtmlImageGenerator imageGenerator = new HtmlImageGenerator();
// 加载html模版
imageGenerator.loadHtml(html);
//获取图片
BufferedImage image = imageGenerator.getBufferedImage();
byte[] bytes = null;
try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
// 写如ByteArrayOutputStream
ImageIO.write(image, "png", os);
// 转成数组
bytes = os.toByteArray();
} catch (IOException e) {
e.printStackTrace();
}
return bytes;
}
public static void main(String[] args) {
htmlSaveAsImage("<h1 color='red'>ruben</h1>", "D:\\file\\files\\target\\ruben.png");
byte[] bytes = htmlToImageByte("<h1 color='red'>ruben</h1>");
}
}
执行后结果